mirror of
https://github.com/philomena-dev/philomena.git
synced 2024-11-24 20:37:59 +01:00
283 lines
8.4 KiB
Elixir
283 lines
8.4 KiB
Elixir
defmodule PhilomenaWeb.ImageView do
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use PhilomenaWeb, :view
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alias Philomena.Tags.Tag
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def show_vote_counts?(%{hide_vote_counts: true}), do: false
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def show_vote_counts?(_user), do: true
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def title_text(image) do
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tags = Tag.display_order(image.tags) |> Enum.map_join(", ", & &1.name)
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"Size: #{image.image_width}x#{image.image_height} | Tagged: #{tags}"
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end
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# this is a bit ridiculous
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def render_intent(_conn, %{thumbnails_generated: false}, _size), do: :not_rendered
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def render_intent(conn, image, size) do
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uris = thumb_urls(image, can?(conn, :show, image))
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vid? = image.image_mime_type == "video/webm"
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gif? = image.image_mime_type == "image/gif"
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alt = title_text(image)
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hidpi? = conn.cookies["hidpi"] == "true"
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webm? = conn.cookies["webm"] == "true"
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use_gif? = vid? and not webm? and size in ~W(thumb thumb_small thumb_tiny)a
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filtered? = filter_or_spoiler_hits?(conn, image)
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cond do
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filtered? and vid? ->
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{:filtered_video, alt}
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filtered? and not vid? ->
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{:filtered_image, alt}
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hidpi? and not (gif? or vid?) ->
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{:hidpi, uris[size], uris[:medium], alt}
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not vid? or use_gif? ->
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{:image, String.replace(uris[size], ".webm", ".gif"), alt}
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true ->
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{:video, uris[size], String.replace(uris[size], ".webm", ".mp4"), alt}
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end
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end
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def thumb_urls(image, show_hidden) do
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%{
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thumb_tiny: thumb_url(image, show_hidden, :thumb_tiny),
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thumb_small: thumb_url(image, show_hidden, :thumb_small),
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thumb: thumb_url(image, show_hidden, :thumb),
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small: thumb_url(image, show_hidden, :small),
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medium: thumb_url(image, show_hidden, :medium),
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large: thumb_url(image, show_hidden, :large),
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tall: thumb_url(image, show_hidden, :tall),
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full: pretty_url(image, true, false)
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}
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|> append_full_url(image, show_hidden)
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|> append_gif_urls(image, show_hidden)
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end
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defp append_full_url(urls, %{hidden_from_users: false} = image, _show_hidden),
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do: Map.put(urls, :full, pretty_url(image, true, false))
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defp append_full_url(urls, %{hidden_from_users: true} = image, true),
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do: Map.put(urls, :full, thumb_url(image, true, :full))
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defp append_full_url(urls, _image, _show_hidden),
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do: urls
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defp append_gif_urls(urls, %{image_mime_type: "image/gif"} = image, show_hidden) do
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full_url = thumb_url(image, show_hidden, :full)
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Map.merge(
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urls,
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%{
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webm: String.replace(full_url, ".gif", ".webm"),
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mp4: String.replace(full_url, ".gif", ".mp4")
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}
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)
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end
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defp append_gif_urls(urls, _image, _show_hidden), do: urls
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def thumb_url(image, show_hidden, name) do
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%{year: year, month: month, day: day} = image.created_at
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deleted = image.hidden_from_users
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root = image_url_root()
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format =
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image.image_format
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|> to_string()
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|> String.downcase()
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|> thumb_format(name, false)
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id_fragment =
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if deleted and show_hidden do
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"#{image.id}-#{image.hidden_image_key}"
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else
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"#{image.id}"
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end
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"#{root}/#{year}/#{month}/#{day}/#{id_fragment}/#{name}.#{format}"
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end
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def pretty_url(image, short, download) do
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%{year: year, month: month, day: day} = image.created_at
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root = image_url_root()
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view = if download, do: "download", else: "view"
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filename = if short, do: image.id, else: verbose_file_name(image)
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format =
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image.image_format
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|> to_string()
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|> String.downcase()
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|> thumb_format(nil, download)
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"#{root}/#{view}/#{year}/#{month}/#{day}/#{filename}.#{format}"
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end
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defp verbose_file_name(image) do
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# Truncate filename to 150 characters, making room for the path + filename on Windows
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# https://stackoverflow.com/questions/265769/maximum-filename-length-in-ntfs-windows-xp-and-windows-vista
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file_name_slug_fragment =
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image.tags
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|> display_order()
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|> Enum.map_join("_", & &1.slug)
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|> String.to_charlist()
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|> Enum.filter(&(&1 in ?a..?z or &1 in '0123456789_-+'))
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|> List.to_string()
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|> String.slice(0..150)
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"#{image.id}__#{file_name_slug_fragment}"
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end
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def image_url_root do
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Application.get_env(:philomena, :image_url_root)
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end
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def image_container_data(conn, image, size) do
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[
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image_id: image.id,
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image_tags: Jason.encode!(Enum.map(image.tags, & &1.id)),
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image_tag_aliases:
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image.tags |> Enum.flat_map(&([&1] ++ &1.aliases)) |> Enum.map_join(", ", & &1.name),
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tag_count: length(image.tags),
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score: image.score,
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faves: image.faves_count,
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upvotes: image.upvotes_count,
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downvotes: image.downvotes_count,
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comment_count: image.comments_count,
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created_at: DateTime.to_iso8601(image.created_at),
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source_url: image.source_url,
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uris: Jason.encode!(thumb_urls(image, can?(conn, :show, image))),
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width: image.image_width,
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height: image.image_height,
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aspect_ratio: image.image_aspect_ratio,
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size: size
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]
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end
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def image_container(conn, image, size, block) do
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content_tag(:div, block.(),
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class: "image-container #{size}",
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data: image_container_data(conn, image, size)
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)
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end
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def display_order(tags) do
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Tag.display_order(tags)
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end
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def username(%{name: name}), do: name
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def username(_user), do: nil
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def scope(conn), do: PhilomenaWeb.ImageScope.scope(conn)
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def anonymous_by_default?(conn) do
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conn.assigns.current_user.anonymous_by_default
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end
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def info_row(_conn, []), do: []
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def info_row(conn, [{tag, description, dnp_entries}]) do
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render(PhilomenaWeb.TagView, "_tag_info_row.html",
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conn: conn,
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tag: tag,
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body: description,
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dnp_entries: dnp_entries
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)
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end
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def info_row(conn, tags) do
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render(PhilomenaWeb.TagView, "_tags_row.html", conn: conn, tags: tags)
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end
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def quick_tag(conn) do
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if can?(conn, :batch_update, Tag) do
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render(PhilomenaWeb.ImageView, "_quick_tag.html", conn: conn)
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end
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end
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def deleter(%{deleter: %{name: name}}), do: name
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def deleter(_image), do: "System"
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def scaled_value(%{scale_large_images: false}), do: "false"
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def scaled_value(_user), do: "true"
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def hides_images?(conn), do: can?(conn, :hide, %Philomena.Images.Image{})
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def random_button(conn, params) do
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render(PhilomenaWeb.ImageView, "_random_button.html", conn: conn, params: params)
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end
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def hidden_toggle(%{assigns: %{current_user: nil}}, _route, _params), do: nil
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def hidden_toggle(conn, route, params) do
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render(PhilomenaWeb.ImageView, "_hidden_toggle.html", route: route, params: params, conn: conn)
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end
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def deleted_toggle(conn, route, params) do
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if hides_images?(conn) do
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render(PhilomenaWeb.ImageView, "_deleted_toggle.html",
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route: route,
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params: params,
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conn: conn
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)
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end
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end
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defp thumb_format("svg", _name, false), do: "png"
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defp thumb_format(_, :rendered, _download), do: "png"
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defp thumb_format(format, _name, _download), do: format
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def image_filter_data(image) do
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%{
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id: image.id,
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"namespaced_tags.name":
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image.tags |> Enum.flat_map(&([&1] ++ &1.aliases)) |> Enum.map_join(", ", & &1.name),
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tag_count: length(image.tags),
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score: image.score,
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faves: image.faves_count,
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upvotes: image.upvotes_count,
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downvotes: image.downvotes_count,
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comment_count: image.comments_count,
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created_at: image.created_at,
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first_seen_at: image.first_seen_at,
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source_url: image.source_url,
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width: image.image_width,
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height: image.image_height,
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aspect_ratio: image.image_aspect_ratio,
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sha512_hash: image.image_sha512_hash,
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orig_sha512_hash: image.image_orig_sha512_hash
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}
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end
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def filter_or_spoiler_hits?(conn, image) do
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tag_filter_or_spoiler_hits?(conn, image) or complex_filter_or_spoiler_hits?(conn, image)
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end
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defp tag_filter_or_spoiler_hits?(conn, image) do
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filter = conn.assigns.current_filter
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filtered_tag_ids = MapSet.new(filter.spoilered_tag_ids ++ filter.hidden_tag_ids)
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image_tag_ids = MapSet.new(image.tags, & &1.id)
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MapSet.size(MapSet.intersection(filtered_tag_ids, image_tag_ids)) > 0
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end
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defp complex_filter_or_spoiler_hits?(conn, image) do
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doc = image_filter_data(image)
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complex_filter = conn.assigns.compiled_complex_filter
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complex_spoiler = conn.assigns.compiled_complex_spoiler
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query = %{
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bool: %{
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should: [complex_filter, complex_spoiler]
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}
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}
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Philomena.Search.Evaluator.hits?(doc, query)
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end
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end
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